Unable to communicate with a 2018 Peugeot Ion's OBD-II system using standard protocols to read trouble codes

Standard OBD-II adapters and protocols do not support the specific diagnostic communication required for this electric vehicle model, and no off-the-shelf solution was mentioned that works.

Opp. Score

Severity

3Medium

Willingness to Pay

implied

Added

May 4, 2026

Implied Software Gaps

A diagnostic tool that supports all EV-specific OBD-II protocols out of the box

App Concept

EVDiag Pro

A specialized diagnostic app and hardware combo designed for electric vehicles, especially older or less common models like the Peugeot Ion. Supports proprietary protocols for EV powertrain and battery management systems, providing comprehensive trouble code reading and live data.

Key Features

Multi-protocol support including STLA and PSA EV-specific protocols
Pre-configured vehicle profiles for common EVs
Live data graphing for battery voltage, cell temperatures, and motor stats
Cloud-based code lookup with repair suggestions

Target Users: DIY EV owners and small auto repair shops working on electric vehicles, particularly older or niche models

Revenue Model: $39.99 for the app plus $49.99 for a compatible Bluetooth adapter, or $14.99/month subscription for cloud features and updates

Existing Solutions Mentioned

Bluetooth OBD-II adapterOBD-II / EOBDEV Electric Stelantis/PSAEV Electric STLA

Part of App Idea

Unable to communicate with a 2018 Peugeot Ion's OBD-II system using standard protocols to read trouble codes

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